Grass (family Poaceae) pollen grains, coloured scanning electron micrograph (SEM). Pollen grains, containing the male sex cells (gametes), are reproductive structures produced by the male parts of flowering plants. The structure shown is the hard outer casing (exine) that protects the gametes during transit between flowers. Magnification: x1,300 when printed at 12cm wide.

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Creative#:

TOP25735673

Source:

達志影像

Authorization Type:

RM

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須由TPG 完整授權

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N/A

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N/A

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No

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